Pith Number

pith:TJ7P2Z2L

pith:2011:TJ7P2Z2LVJW6EJTWYERL6HRPYV

not attested not anchored not stored refs pending

The existence of a two-solar mass neutron star constrains the gravitational constant G_N at strong field

Antonio Dobado, Felipe J. Llanes-Estrada (U. Complutense Madrid), Jose Antonio Oller (U. Murcia)

arxiv:1107.5707 v1 · 2011-07-28 · gr-qc · hep-th · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJ7P2Z2LVJW6EJTWYERL6HRPYV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:23:22.684206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a7efd674baa6de22676c122bf1e2fc5538f51e56762dbf5c7587c00a4de6ffa

Aliases

arxiv: 1107.5707 · arxiv_version: 1107.5707v1 · doi: 10.48550/arxiv.1107.5707 · pith_short_12: TJ7P2Z2LVJW6 · pith_short_16: TJ7P2Z2LVJW6EJTW · pith_short_8: TJ7P2Z2L

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TJ7P2Z2LVJW6EJTWYERL6HRPYV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9a7efd674baa6de22676c122bf1e2fc5538f51e56762dbf5c7587c00a4de6ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87b31657eed0da7363a8a6d52f9ac399cd2ed5ed4cba63ae2ffc4e8082f8d4b8",
    "cross_cats_sorted": [
      "hep-th",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-28T13:02:59Z",
    "title_canon_sha256": "f3d24bfb38ccc6702cf973a77a26cd2d7b1e2aec87fd024ff5fdb3334abd2fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5707",
    "kind": "arxiv",
    "version": 1
  }
}